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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_SUBRESOURCE_FILTER_SAFE_BROWSING_CLIENT_REQUEST_H_
#define COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_SUBRESOURCE_FILTER_SAFE_BROWSING_CLIENT_REQUEST_H_
#include <stddef.h>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "components/safe_browsing_db/database_manager.h"
#include "components/safe_browsing_db/util.h"
#include "url/gurl.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace safe_browsing {
struct ThreatMetadata;
} // namespace safe_browsing
namespace subresource_filter {
class SubresourceFilterSafeBrowsingClient;
// This class is scoped to a single database check, and it lives on the IO
// thread exclusively.
class SubresourceFilterSafeBrowsingClientRequest
: public safe_browsing::SafeBrowsingDatabaseManager::Client {
public:
SubresourceFilterSafeBrowsingClientRequest(
const GURL& url,
size_t request_id,
scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager>
database_manager,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
SubresourceFilterSafeBrowsingClient* client);
~SubresourceFilterSafeBrowsingClientRequest() override;
void Start();
// safe_browsing::SafeBrowsingDatabaseManager::Client:
void OnCheckBrowseUrlResult(
const GURL& url,
safe_browsing::SBThreatType threat_type,
const safe_browsing::ThreatMetadata& metadata) override;
const GURL& url() const { return url_; }
size_t request_id() const { return request_id_; }
// Maximum time in milliseconds to wait for the Safe Browsing service to
// verify a URL. After this amount of time the outstanding check will be
// aborted, and the URL will be treated as if it didn't belong to the
// Subresource Filter only list.
static constexpr base::TimeDelta kCheckURLTimeout =
base::TimeDelta::FromSeconds(5);
private:
// Callback for when the safe browsing check has taken longer than
// kCheckURLTimeout.
void OnCheckUrlTimeout();
void SendCheckResultToClient(bool served_from_network,
safe_browsing::SBThreatType threat_type,
const safe_browsing::ThreatMetadata& metadata);
const GURL url_;
// The |request_id_| identifies a particular request, as issued from the
// SubresourceFilterSafeBrowsingClient. It will be unique in the scope of a
// single navigation (i.e. the scope of the
// SubresourceFilterSafeBrowsingClient).
const size_t request_id_;
scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> database_manager_;
SubresourceFilterSafeBrowsingClient* client_ = nullptr;
// Timer to abort the safe browsing check if it takes too long.
base::OneShotTimer timer_;
base::TimeTicks start_time_;
bool request_completed_ = false;
DISALLOW_COPY_AND_ASSIGN(SubresourceFilterSafeBrowsingClientRequest);
};
} // namespace subresource_filter
#endif // COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_SUBRESOURCE_FILTER_SAFE_BROWSING_CLIENT_REQUEST_H_
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